/* Global Styles - Optimized for Performance and SEO */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --accent: #e74c3c;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
    margin: 0;
    overflow-x: hidden;
}

/* Header Styles */
.header {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    background: white;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-brand i {
    color: var(--secondary);
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--secondary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
}

.hero .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.hero .card {
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.hero .card:hover {
    transform: translateY(-5px);
}

.stat-box {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 0;
}

/* Section Titles */
.section-title {
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--secondary);
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Pricing Cards */
.card.featured {
    transform: scale(1.05);
    z-index: 1;
}

.card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.price {
    margin: 1rem 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
}

.period {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
    border-radius: 30px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--secondary);
    border-color: var(--secondary);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--secondary);
    color: white;
    transform: translateY(-2px);
}

/* Accordion */
.accordion-button:not(.collapsed) {
    background-color: var(--light);
    color: var(--primary);
    font-weight: 600;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0, 0, 0, 0.125);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 0.8em;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

/* Table Styles */
.table th {
    font-weight: 600;
    color: var(--dark);
}

.table-hover tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
}

/* Loading animation for better UX */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Lazy loading for images */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero {
        padding: 3rem 0;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .card.featured {
        transform: scale(1);
        margin: 1rem 0;
    }
    
    .card.featured:hover {
        transform: translateY(-5px);
    }
    
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .d-flex.gap-3 {
        flex-direction: column;
    }
}

/* Print styles for better printing experience */
@media print {
    .header, .hero .btn, footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    a {
        text-decoration: underline;
    }
    
    .hero {
        background: white !important;
        color: black !important;
        padding: 1rem 0 !important;
    }
}